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The Radiospurs Header Website

The well known site for RF and Microwave analysis, design, calculators.

If you work on the Technical Side of the Radio Broadcast Industry, this is your gateway to design the hardware of your profession. There are articles on FM transmitters, Propagation analysis using Longley Rice calculations. Passive filters, microwave filters. Power combiners, Wilkinson, Hybrid. Couplers, microstrip, stripline, edge, broadside, slabline, coax. Interdigital filters, capacitive gap, edge coupled, stepped. Its all here.

See WEB SITE DETAILS above for a more complete description of each web site.

Image donated by Seratel

NEWS:

New July 2026

The translation to the new all CORE site is now complete. Now roll in with the broken links!

Broken links are still being repaired. Thanks for input.

Finally: My site aims are fairly complete. However there is still room for some more calculators, so give me some hints as to what could be of use to those genuine engineers out there.

There has been a request for stepped line filters in stripline. This has now been added. Anyone want a microstrip as well?

Some type of discontinuity for coaxial line, stripline, microstrip have been exposed. These calculations were embedded in the varios filter designs and now exposed.

Now I am going to look at some patch antenna designers or perhaps complete a parabolic designer from the old days of working on the DomSat project. Yeah way back...

Our companion site LongleyRice is now more complete. Better explaining of the ITM and some new documentation.

For microwave101 users. note: Free housing has been offered but as usual no reply...